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Quality rebuild kit by Moose Racing. Comes with everything you need to get your stock carburetor back in shape!

Contains genuine KEIHIN parts to rebuild your FCR41 pumper. Fresh o-rings and float needle insure you don't end up with a crank case full of fuel.

  Not for the stock carburetor. Fits FCR41 conversions only.

Has your TM40 carburetor been sitting for too long and now needs to be rebuilt? Then what you need is this TM40 Rebuild Kit that contains Genuine Mikuni replacement parts.

This kit includes:

• Needle Clip and Washer
• Top Cover Gasket
• A/P Nozzle O-Ring, Plug and Rubber Cap
• Fuel Screw O-Ring, Washer and Spring
• Float Bowl O-Ring
• Pilot Fuel Screw
• Drain Plug O-Ring
• #3.8 Needle Valve Assembly
• O-Ring for the Starter Circuit and Needle Valve
• New Screws for the Float Bowl
• Vent Hose

This Kit replaces vital components in the BST40 Carburetor including new a Float, Needle Valve, Gaskets, Seals, Diaphragm, Spring and Float Bowl Screws to return the stock Mikuni BST40 Carburetor to like-new operation. As a bonus we have included Viton o-rings for the float assembly and 4 stainless steel allen screws.

• Include top cover gasket, jet needle E-ring and washer, throttle valve seal, pilot air O-ring, fuel joint O-ring, accelerator pump O-ring, needle valve O-ring, needle valve retainer screw, needle valve assembly, float bowl O-ring/gasket, overflow hose, float bowl screws, accelerator pump rod boot
• Genuine Mikuni parts properly replace worn or mistreated components for the TM42 carburetor
• Includes all the parts needed to rebuild TM42 carburetor